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Finding the Fourth Proportional to 41,058.64, 61,638.96 and 40,869.12

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Solution

The fourth proportional to 41,058.64, 61,638.96 and 40,869.12 is: 61,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,058.64 : 61,638.96 = 40,869.12 : x
  2. Step 2: Convert to fraction form
    41,058.64/61,638.96 = 40,869.12/x
  3. Step 3: Cross multiply
    41,058.64x = 61,638.96 × 40,869.12
  4. Step 4: Simplify right side
    41,058.64x = 2,519,130,052.92
  5. Step 5: Solve for x
    x = 2,519,130,052.92/41,058.64
  6. Step 6: Final answer
    x = 61,354.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.